What molecule(s) do plants release into the air?

What is a cordon and where is it found

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?